B39321R991H110

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Surface Acoustic Wave (SAW) filters have become a common solution for many communication applications because they feature a wide range of passbands, low insertion loss, and narrow passband characteristics. The B39321R991H110 filter is no exception. This component is used when high-selectivity filters are needed, and it offers excellent performance together with excellent quality over an extended temperature range.

The B39321R991H110 filter is a SAW Filter specifically designed for mobile cellular radio applications. It is designed for use in the reception (RX) part of the handset. This component has a nominal center frequency of 1.09 GHz, with a passband of 50 MHz. It is a high-Q, temperature stable filter that exhibits excellent performance in terms of insertion loss, passband ripple, and stopband rejection, while also offering good temperature stability.

The B39321R991H110 is a combination of a SAW resonator and a transmission line. The resonator acts as a bandpass filter by allowing signals within a certain frequency range to pass through, while rejecting signals outside of that range. The transmission line acts as a matching network, providing impedance matching between the filter and the system. This component also offers high-resistive input and output portions that minimize signal distortion due to reflections.

The working principle of B39321R991H110 is based on the conversion of the electrical signal into acoustic wave energy, and vice versa. The chip is composed of a piezoelectric substrate, electrode layers and an encoding structure. When an electrical signal is input into the electrode layer, the substrate begins to vibrate with the frequency of the signal. This vibration is then transmitted through the encoding structure, allowing acoustic energy to propagate in different directions. When the acoustic waves reach the electrodes they are converted back into electrical energy and output.

The B39321R991H110 filter is mainly used in mobile cellular radio reception for an extremely narrow pass band of 50MHz around 1.09 GHz. This filter is ideal for use in handsets because of its excellent performance, low-distortion, temperature stability, and high stability over temperature. This component is also suitable for use in other communication applications where filter requirements must be met in a constrained environment.

In conclusion, the B39321R991H110 SAW Filter is designed for use in mobile cellular radio reception applications and offers excellent performance in terms of passband ripple, stopband rejection, insertion loss, temperature stability, and high stability over temperature. This filter is suitable for use in handsets and other communication applications where filter requirements must be met.

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